More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
Physics General Science Test Medium Mode MCQs With Answers
Question # 1
When a charged particle passes through matter, it produces ionization, this effect is used in
Choose an answer
fission reaction
reactor
radiation detector
fusion reaction
Previous
Skip
Next
Question # 2
The restoring force is ______ amd opposite to the applied force within _____:
Choose an answer
Equal, elastic limit
Different, the walls of the laboratory
Different, elastic limit
None of these
Previous
Skip
Next
Question # 3
In helium Neon Laser Neon = 15% and Helium = 85% used. The lasing gas this unit is
Choose an answer
Helium
Neon
Both
None of these
Previous
Skip
Next
Question # 4
Whenever a covalent bond breaks, it creates:
Choose an answer
An electron
A hole
An electron-hole pair
A positron
All of these
Previous
Skip
Next
Question # 5
If the object and its image are located at a distance of 5 cm from the focus of a convex lens, the focus length of the lens will be:
Choose an answer
5 cm
10 cm
20 cm
25 cm
Previous
Skip
Next
Question # 6
When a mass 'm' is pulled slowly, the spring stretches by an amount x
0
,then the average force would be
Choose an answer
F= Kx
0
F=1/2Kx
0
F=2Kx
0
F=4Kx
0
Previous
Skip
Next
Question # 7
Ferromagnetic substances lose their magnetism when heated above a certain temperature, known as
Choose an answer
critical temperature
curie temperature
high temperature
fixed temperature
Previous
Skip
Next
Question # 8
The spectrum emitted from hydrogen filled discharge tube is:
Choose an answer
Line spectrum
Discrete spectrum
And spectrum
Absorption spectrum
Both (A) and (B)
Previous
Skip
Next
Question # 9
The reactance of a coil when used in the domestic A.C. power supply (220 volts, 50 cycles per second) is 50 ohms. The inductance of the coil is nearly
Choose an answer
2.2 henry
1.6 henry
0.22 henry
0.16 henry
Previous
Skip
Next
Question # 10
Pair production take place when energy of
γ-rays photon is
Choose an answer
equal to 1.02 Mev-
greater than 1.02 Mev
less than 1.02 Mev
none of these
Previous
Skip
Next
Question # 11
In an N-type silicon, which of the following statement is true
Choose an answer
Electrons are majority carriers and trivalent atoms are the dopants
Electrons are minority carriers and pentavalent atoms are the dopants
Holes are minority carriers and pentavalent atoms are the dopants
Holes are majority carriers and trivalent atoms are the dopants
Previous
Skip
Next
Question # 12
Radian and Steradian are ________ units.
Choose an answer
Base
Derive
Supplementary
None of these
Previous
Skip
Next
Question # 13
The vertical velocity component changes with
Choose an answer
Distance
Time
Height
Angle
Previous
Skip
Next
Question # 14
The renewable energy source is a biomass which is a
Choose an answer
Rare source
Unlimited source
Potential source
None of these
Previous
Skip
Next
Question # 15
Venturi meter measures
Choose an answer
Fluid density
Rate of flow of fluid
Speed of fluid
All
Previous
Skip
Next
Question # 16
The substances in which, atom are so oriented that their field support each other and the atoms behave like tiny magnets, are called
Choose an answer
diamagnetic substances
ferromagnetic substances
paramagnetic substances
all of them
Previous
Skip
Next
Question # 17
Brittle is the property of the substance in which a material undergoes
Choose an answer
Elastic deformation
Plastic deformation
Ultimate tensile strength limit
None of these
Previous
Skip
Next
Question # 18
When a force is applied on a body, several effects are possible. Which of the following effect could not occur?
Choose an answer
the body rotates
the body speeds up
the mass of the body decreases
the body changes its direction
Previous
Skip
Next
Question # 19
The results of mechanical tests are usually expressed in terms of
Choose an answer
stress
strain
stress and strain
neither stress nor strain
Previous
Skip
Next
Question # 20
Two point charge +3μC and +8μC repel each other with a force of 40 N if a charge of -5μC us added to each of them then the force between them will become
Choose an answer
-10 N
+10 N
+20 N
-20 N
Previous
Skip
Next
Question # 21
The ‘emf ’ is always even when no current is drawn through the battery of the cell:
Choose an answer
Zero
Present
Absent
Maximum
Previous
Skip
Next
Question # 22
In full wave rectification by bridge the number of diodes required are
Choose an answer
3
4
2
5
Previous
Skip
Next
Back